body {
  margin: 0;
}

a {
  text-decoration: none;
}

h1, 
h2, 
h3, 
h4, 
h5, 
h6, 
p {
  margin: 0;
  font-weight: normal;
}

ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

div {
  box-sizing: border-box;
}

input,
button {
  outline: none;
  border: none;
  box-sizing: border-box;
}